Dr. Ohidul Siddiqui
Professor
Phone:
Email: siddiquio@isrt.ac.bd
Left job as Professor on 30/06/2021
Ph.D in Biostatistics, University of Illinois at Chicago. Chicago, Illinois
M.A. in Applied Statistics, Dept. of Statistics, The Ohio State University, Columbus, Ohio
M.S in Statistics, Jahangirnagar University, Banglade
B,S in Statistics, Jahangirnagar University, Bangladesh
Missing data in clinical trial studies, develop statistical methodologies for analyzing clinical, pre-clinical, disease modeling, and safety data.
Professional Experience
Professor, Institute of Statistical Research and Training, Dhaka University, March 2014 – present
Expert Mathematical Statistician (GS-15 –the highest salary grade for US Federal employees), Expert track), Division of Biometrics 1, Center for Drug Evaluation and Research (CDER), US Food and Drug Administration (FDA), March 2008 –March 2014
Adjunct Faculty, University of Phoenix, Phoenix, June 2009 – present
Senior Mathematical Statistician (GS-14), Division of Biometrics 1, CDER, July 2002 –Feb 2008
Mathematical Statistician (GS-13), Division of Biometrics 1, CDER, May 1999 –June 2002
Assistant Professor, Clinical Economics Research Unit, Georgetown University Medical Center, Washington, DC 20007, Aug. 1998 – May 1999.
Lead Biostatistician, Otsuka America Pharmaceutical, Inc., 2440 Research Boulevard, Rockville, MD 20850, Sept. 1996 – Aug. 1998
Biostatistician, Prevention Research Center, School of Public Health, University of Illinois at Chicago, 850 West Jackson Bld., Suite 400, Chicago, IL 60607, Sept. 1990 – Sept. 1996
Statistical Consultant, Instruction and Research Computer Center, The Ohio State University, Columbus, OH 43210. Sept. 1989 – Sept. 1990
Assistant Professor, Department of Statistics, Jahangirnagar University, Bangladesh, Jun. 1985- Aug 1989
Lecturer, Department of Statistics, Jahangirnagar University, Bangladesh, Jan. 1982- Jun 1985
Lecturer, Department of Statistics, Chittagong University, Bangladesh, Aug. 1980-Dec 1981
Publications
Haider, Z., Hossain, T., Siddiqui, O., Islam, S. Economic valuation of the tourist spots in Bangladesh. Int. J. Tourism Policy, 8(1), 42-64, 2018.
Haider, Z., Hossain, T., Siddiqui, O. Impact of Remittance on Consumption and Savings Behavior in Rural Areas of Bangladesh. Journal of Business, 01(04), 25-34, Sep 2016
Siddiqui, O. Methods for Computing Missing Item Response in Psychometric Scale Construction. American Journal of Biostatistics, 5 (1): 1.6, 2015
Siddiqui, O. How Much Missing May Be Too Much in Clinical Trials of Neuropharmacological Drug Products. Applied Clinical Research, Clinical Trials and Regulatory Affairs Journal, 1, 125-134, 2014
Haider, Z., Dutta, C B., Siddiqui O. Role of Bangladesh Small & Cottage Industries Corporation in Poverty Reduction. South Asia Economic Journal, 16(1), 103-121, 2015
Siddiqui, O. MMRM Vs. MI in Dealing with Missing Data- A Comparison based on 25 NDA Data sets. Journal of Biopharmaceutical Statistics, 21(3), 423-436, 2011.
Siddiqui, O., Hershkowitz, N. Primary Efficacy Endpoint in Clinical Trials of Antiepileptic Drugs: Change or Percent Change, Drug Information Association, 44 (3), 343-350, 2010
Kordzakhia, G., Siddiqui, O, Huque, M. Method of balanced adjustment in testing coprimary endpoints. Statistics in Medicine, Vol. 29 (19): 2055–2066, 2010
Batarseh, L., Kleppinger, C., Mahjoob, K., Siddiqui, O. Clinical Trials in the Middle East and North Africa (MENA), International Analytical Paper Series, Office of International Programs, March 2012
Siddiqui, O., Hung, J.H.M., O’Neill, R. Statistical Methods to Analyze Incomplete Clinical Trial Data. Journal of Biopharmaceutical Statistics. 19(2), 227-246, 2009.
Siddiqui, O. Statistical Methods to Analyze Adverse Events Data of Randomized Clinical Trials. Journal of Biopharmaceutical Statistics. 19 (5), 889-899, 2009.
Bhattaram, A.V., Siddiqui, O., Kapcala, L.P., Gobburu, V.S.J. Endpoints and Analysis to Discern Disease Modifying Drug effects in early Parkinson’s disease. The AAPS Journal, 11 (3), 456-464, 2009
Hedeker D, Siddiqui O, Hu FB. Random-effects regression analysis of correlated grouped-time survival data. Stat Methods Med Res. 2000 9(2):161-79.
Ali, M.W., Siddiqui, O. Multiple imputation compared with some informative dropout procedures in the analysis of longitudinal clinical data with dropouts. Journal of Biopharmaceutical Statistics 2000 10(2):165-81.
Siddiqui, O., Ali, M.W. Linear structural equation model in analyzing quality of life data from clinical trials. Journal of Biopharmaceutical Statistics 1999 9(4):165-81.
Siddiqui, O., Ali, M.W. A comparison of the random-effects pattern mixture model with last observation carried forward (LOCF) analysis in longitudinal clinical trials with dropouts. Journal of Biopharmaceutical Statistics 1998 8(4): 545-563.
Siddiqui, O, Mott, J, Anderson T, Flay, B. The application of Poisson random-effects regression models to the analyses of adolescents’ current level of smoking. Preventive Medicine 1999 29(2):92-101.
Siddiqui, O., Hedeker, D., Flay, B.R., and Hu, F. B. Intraclass correlation estimates in a school-based smoking prevention study: Outcome and mediating variables by gender and ethnicity. American Journal of Epidemiology 1996, Vol. 144, N 4: 425-433.
Siddiqui, O., Flay, B.R., and Hu, F.B. Factors affecting attrition in a longitudinal smoking prevention study. Preventive Medicine 1996 Vol. 25: 554-560.
Siddiqui, O., Mott, J.A., Anderson, T.L, Flay, B.R. Characteristics of inconsistent respondents who have ever used drugs in a school-based study. Substance Use & Misuse 1999, 34(2):269-295.
Hu, F. B., Hedeker, D., Flay, B.R, Sussman, S., Day, L.E, Siddiqui, O. The patterns and predictors of smokeless tobacco use among urban public school teenagers. American Journal of Preventive Medicine 1996 12(1):22-8.
Hu, F. B., Day, L.E., Flay, B.R., Siddiqui, O., Sussman, S., & Richardson, J. The patterns of use of smokeless tobacco and the unidimensional model of drug involvement. Additive Behaviors 1997 22(2):257-61.
Flay, B.R., Miller, T.Q, Hedeker, D., Siddiqui, O., Brannon, B.R. The television school and family smoking prevention and cessation project VIII. Student outcomes and mediating variables. Preventive Medicine 1995 24(1):29-40.
Hu, F.B., Hedeker, D., Flay, B.R, Siddiqui, O., Day, L.E. The influences of friends and parental smoking on adolescent smoking behavior: The effects of time and prior smoking. Journal of Applied Social Psychology Vol. 25, N 22, 1995.
Flay, B.R., Hu, F. B., Siddiqui, O., Day, L.E., Hedeker, D., Petraistis, J., Richardson, J., and Sussman, S. Differential influence of parental smoking and friends smoking on adolescent initiation of smoking and escalation of smoking. Journal of Health and Social Behavior Vol. 35 N 3, 1994.
Siddiqui, O. Estimating the completeness of adult deaths from retrospective information. Journal of Statistical Studies Vol. 1, 1981, Bangladesh.
Presentation:
Siddiqui, O. How Much Missing Data Are Too Much in Clinical Trials of Neuropharmacological Drug Products . Joint Statistical Meeting, San Diego, Jul 28- Aug 2, 2012
Siddiqui, O. Statistical Method to Analyze Data from Delayed Start Design in Parkinson’s Disease. FDA/Industry Statistics Workshop, Virginia, Sept. 18-20, 2007
Siddiqui, O. Application of Disease Model in Parkinson’s Disease. DIA Meeting, Washington DC, Jan 24-25, 2007
Siddiqui, O. Statistical Method to Analyze Incomplete Clinical Trial Data. Presented at Joint Statistical Meetings, Washington, Seattle, August 2006.
Siddiqui, O., Hung, J.H.M. Statistical Method to Analyze Longitudinal Clinical Trial Incomplete data. Presented at Joint Statistical Meetings, San Francisco, California, August 2003.
Siddiqui, O. Methods for Imputing Missing Item Responses in Psychometric Scale Construction. Presented at Joint Statistical Meetings, New York, August 2002.
Siddiqui, O. Weibull random-effects regression models for clustered survival data with applications. Presented at Joint Statistical Meetings, Anaheim, August 1997.
Siddiqui, O., Ali, M. W., Talukder, E. A comparison of random-effects pattern mixture model with last observation carried forward (LOCF) analysis in longitudinal clinical trials with dropouts. Presented at Joint Statistical Meetings, Anaheim, August 1997.
Siddiqui, O., Hedeker, D. Poisson random-effects regression models for clustered count data with an application. Presented at Joint Statistical Meetings, Chicago, August 1996.
Hedeker, D., Siddiqui, O., Campbell R. T. & Flay, B. R. Random-effects regression for discrete-time data. Presented at Biometric Society Eastern North Region 1996, Spring Meeting.
Received Research Grants (As a Principal Investigator) Received from CDER- Regulatory Science and Review Enhancement (RSR) Program
Year 2010
RSR number: RSR- 10-15
Title: Handling missing data of multi-treatment multi-period crossover clinical trials. (I am a Co-PI of the project).
Year 2007
RSR number: RSR- 07-50
Title: Statistical methods to analyze safety data of phase III clinical trials
Year 2006
RSR number: RSR -06-09
Title: Appropriateness of the available statistical methods to analyze safety data from Phase III clinical trials in drug development process
Year 2006
Title: Statistical analyses of gender-specific safety data from New Drug Application submissions. Awarded by Office of Women Health (OWH) OWH Intramural Science Program
Year 2005
Project number: RSR-05-11
Title: Mixed Model Repeated Measures (MMRM) Approach Versus Pattern-Mixture Modeling approach in evaluating efficacy of study drug development process.
Year 2004
RSR Number: RSR-04-13
Title: Mixed Model Repeated Measures approach versus Last Observation Carried Forward approach in evaluating efficacy of a study drug in drug development process.
Year 2003
RSR number: RSR-03-15.
Project Title: Mixed Model Repeated Measures (MMRM) approach versus Last Observation Carried Forward (LOCF) approach in evaluating efficacy of study drug in drug development process.
Year 2002
RSR number: RSR-02-15.
Project Title: Mixed Model Repeated Measures (MMRM) approach versus Last Observation Carried Forward (LOCF) approach in evaluating efficacy of study drug in drug development process.
